The importance of the roentgen ray in the examination of patients with cardiac diseases has been definitely established. It gives us valuable information as to the size, shape and position of the heart, also as to the condition of the heart muscle. In adults, the use of the roentgen ray in substantiating cardiac diagnosis has become routine. In children, however, it is only recently that interest has been aroused in the use of the roentgenogram in the diagnosis of heart conditions.
The present investigation was undertaken for the purpose of studying the normal measurements of children's hearts and their relationship to body growth.
Teleroentgenograms were taken at a distance of 6 feet with the patient in the vertical position. Very little difficulty was experienced in getting the cooperation of the children while taking the plates. The phase of respiration was considered a negligible factor, as most observers believe that there
ZISKIN T. DEVELOPMENT AND SIZE OF THE HEART IN CHILDREN: AS REVEALED BY TELEROENTGEN-RAY MEASUREMENTS. Am J Dis Child. 1925;30(6):851–855. doi:10.1001/archpedi.1925.01920180111011
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